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Finding the Third Proportional to 19,069.13 and 39,464.25

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Solution

The third proportional to 19,069.13 and 39,464.25 is: 81,672.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,069.13 : 39,464.25 = 39,464.25 : x
  2. Step 2: Convert to fraction form
    19,069.13/39,464.25 = 39,464.25/x
  3. Step 3: Cross multiply
    19,069.13x = 39,464.25 × 39,464.25
  4. Step 4: Simplify right side
    19,069.13x = 1,557,427,028.06
  5. Step 5: Solve for x
    x = 1,557,427,028.06/19,069.13
  6. Step 6: Final answer
    x = 81,672.71

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.